Work without a network
Mail bodies, attachments, contacts and calendar are cached on disk. Reply, flag and move while offline, and your changes are sent automatically once you reconnect.
Mail, calendar, contacts, files, chat and meetings in one native app, on your desk and in your pocket. It keeps working offline and syncs when you're back online.
Pick what you need. Every download comes straight from our file repository and is always the latest version.
drift-offline for Windows, macOS and Linux, with a full offline copy of your mail.
Desktop downloadsdrift for Android and iPhone, with push notifications, calls and meetings.
Mobile downloadsCGP Drive for file sync and drift-Companion for calls, meetings and chat.
See the toolsCommuniGate Pro Server for Linux, plus server plugins and the script library.
Server downloadsdrift talks directly to your CommuniGate Pro server, with no relay and no third-party cloud. Your data stays on your server and on your devices.
Mail bodies, attachments, contacts and calendar are cached on disk. Reply, flag and move while offline, and your changes are sent automatically once you reconnect.
Add IMAP accounts such as Gmail, GMX or Outlook next to CommuniGate Pro, and show your Google calendars beside your CGP calendar. All of it is available offline.
Sync your CGP file storage to a local folder. Right-click any file to share a view link, a Collabora edit link or an upload drop zone.
Most people need just drift-offline on the desktop and drift on their phone. The others are optional:
You need a CommuniGate Pro server with a drift account. When you first start the app, enter your server address (for example https://mail.example.com), your user name and your password. Server components like helpers, WOPI Bridge and the journaler are in the repository.
Every package is in the file repository at repo.communigatepro.de, sorted by platform: win/, mac/, linux/, android/ and server/ (with plugins/ and scripts/).